Radiation Dose Estimates for the Cr-51 RBCs (Erythrocytes)

---

	Estimated Radiation Dose
ORGAN	mGy/MBq	rad/mCi
Adrenals	2.0E-01	7.6E-01
Brain	3.3E-02	1.2E-01
Breasts	8.4E-02	3.1E-01
Gallbladder Wall	1.3E-01	5.0E-01
LLI Wall	8.7E-02	3.2E-01
Small Intestine	9.8E-02	3.6E-01
Stomach	1.4E-01	5.1E-01
ULI Wall	9.9E-02	3.7E-01
Heart Wall	5.0E-01	1.9E+00
Kidneys	2.2E-01	8.1E-01
Liver	2.4E-01	8.9E-01
Lungs	3.2E-01	1.2E+00
Muscle	8.3E-02	3.1E-01
Ovaries	9.2E-02	3.4E-01
Pancreas	1.9E-01	7.1E-01
Red Marrow	1.2E-01	4.4E-01
Bone Surfaces	1.2E-01	4.4E-01
Skin	5.6E-02	2.1E-01
Spleen	1.6E+00	5.8E+00
Testes	6.4E-02	2.4E-01
Thymus	1.3E-01	5.0E-01
Thyroid	1.3E-01	4.7E-01
Urinary Bladder Wall	8.2E-02	3.0E-01
Uterus	9.1E-02	3.4E-01
Total Body	9.6E-02	3.5E-01
Effective Dose Equivalent	2.6E-01 mSv/MBq	9.6E-01 rem/mCi

* Based on model in ICRP 53.
Dynamic bladder model with 4.8-hour voiding interval
Estimate calculated using phantom of Cristy & Eckerman (Report ORNL/TM-8381/V1 & V7)